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发明名称
Method of and means for electric voltage regulation
摘要
申请公布号
US1906210(A)
申请公布日期
1933.04.25
申请号
US19310523675
申请日期
1931.03.19
申请人
RADIO PATENTS CORPORATION
发明人
HARZ HERMANN
分类号
H02M5/12
主分类号
H02M5/12
代理机构
代理人
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